Portsmouth Rhode Island Weather Almanac
Thursday, June 20, 2019
Cloudy and Rain early then Dense Fog and Cooler
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2019  
    June 20, 2019     Record Record
Observed Daily Data   Observed   2018   Normal   Depart   Highest Lowest
Maximum Temperature   67   74   75   -8   92   in 1931   58   in 1958  
Minimum Temperature   61   56   59   +2   67   in 1949   46   in 1956  
Average Temperature   64   65   67   -3   79   in 1931   55   in 1905  
Precipitation   .40   .00   .10   +.30   1.48   in 1981            
One Hour   .15   .00           .51   in 1968            
Snow   0.0   0.0   0.0   +0.0   0.0   in              
Snow Depth   0   0               in            
HDD   1   0   1   +0   10   in 1905   0   in 2018  
CDD   0   0   3   -3   14   in 1931            
Maximum Dew Point   67   66   63   +4   74   in 1995   49   in 1970  
Minimum Dew Point   60   50   53   +7   63   in 2010   37   in 2014  
Average  Dew Point   64   58   58   +6   67   in 2012   45   in 1970  
Maximum Humidity   100%   92%   92%   +8%   100%   in 2019   54%   in 1954  
Minimum Humidity   93%   56%   58%   +35%   93%   in 2019   28%   in 2014  
Average Humidity   97%   74%   75%   +21%   97%   in 2019   43%   in 1954  
Maximum Barometer   29.81   29.91   30.01   -00.20   30.55   in 2002   29.67   in 1959  
Minimum Barometer   29.47   29.78   29.80   -00.33   30.45   in 2002   29.39   in 1985  
Average Barometer   29.64   29.85   29.91   -00.27   30.50   in 2002   29.62   in 1959  
Average Wind   7.1   5.7   5.9   +1.2   14.0   in 1967   1.6   in 1998  
Direction   SSE   SSW   SSW       NNE         SSE        
High Wind Gust   22   20   21   +1   39   in 1967   10   in 1998  
Direction   SSE   SSW   SSW       NNE         ENE        
High Heat Index   69   76   76   -7   95   in 2012            
Wind Chill                             #N/A   in #N/A  
Maximum Water Temp   64.0   64.8   65.9   -1.9   70.3   in 2007   61.8   in 2003  
Minimum Water Temp   61.3   61.0   61.9   -0.6   67.2   in 2007   57.4   in 2003  
Average Water Temp   62.7   62.9   63.9   -1.2   68.8   in 2007   59.6   in 2003  
Sunrise/ AM Twilight   5:11:26 AM   4:37:27 AM            
Sunset / PM Twilight   8:22:29 PM   8:56:28 PM            
Length Of Day   15:11:03                          
Special Conditions   Dense Fog                              
Comments      
    June 20, 2019     Record Record
Month-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
 Avg Maximum Temperature   71.9   71.3   72.5   -0.5   78.2   in 1925   51.3   in 1893  
Avg Minimum Temperature   56.7   55.1   55.9   +0.9   59.4   in 1899   49.9   in 1907  
Average Temperature   64.3   63.2   64.0   +0.3   68.6   in 1925   57.4   in 1907  
Total Precipitation   4.44   1.05   2.56   +1.88   8.90   in 1982   .01   in 1949  
Total Snow   0.0   0.0   0.0   +0.0   0.0   in     0.0   in    
Total HDD   31   69   46   -15   159   in 1907   3   in 1899  
Total CDD   21   36   37   -16   92   in 1925   0   in 1965  
Avg Maximum Dew Point   61.5   61.1   60.3   +1.2   65.3   in 1996   53.2   in 1965  
Avg Minimum Dew Point   51.0   49.7   50.6   +0.4   55.0   in 2010   43.1   in 1958  
Average  Dew Point   56.2   55.6   55.4   +0.8   60.0   in 1996   48.6   in 1965  
    June 20, 2019     Record Record
Year-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
Total Precipitation   26.35   24.06   23.06   +3.29   38.24   in 1998   12.67   in 1957  
Total Snow (since Jul 1 18)   21.1   45.6   31.8   -10.7   84.1   in 1996   5.0   in 1998  
Total HDD (since Jul 1 18)   5521   5357   5618   -97   6615   in 1905   4549   in 2012  
Total CDD (since Jan 1)   31   47   46   -15   101   in 2001   1   in 1948  
                             
Hour-by-Hour Weather For Jun 20, 2019  
Climate Weather for Jun 20  
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